Best AI Agent Development Companies in Europe

B12 Consulting vs onepoint: full comparison for 2026

Last updated: August 2026

Quick verdict

onepoint (3.7/5) edges ahead of B12 Consulting (3.6/5) overall. onepoint is the better choice for french and EU enterprises wanting agentic AI from a mid-size, founder-led French IT services firm.. B12 Consulting is the stronger option for eU buyers wanting a small, deeply technical Belgian consultancy founded by physics researchers.. The right choice depends on your project size, budget, and required tech stack.

B12 Consulting vs onepoint: head-to-head summary

Criterion B12 Consulting onepoint
Founded 2012 2002
HQ Louvain-la-Neuve, Belgium Paris, France
Team size 11–50 3,700+
Rating 3.6 / 5 3.7 / 5
Best for EU buyers wanting a small, deeply technical Belgian consultancy founded by physics researchers. French and EU enterprises wanting agentic AI from a mid-size, founder-led French IT services firm.
Pricing model Fixed project, staff augmentation Fixed project, dedicated team
Min. engagement Not published Not published
Primary tech stack Python, LangChain, AWS Python, LangChain, AWS
Industries served Manufacturing, Technology & SaaS Financial Services, Government & Public Sector, Manufacturing, Technology & SaaS

B12 Consulting vs onepoint: overview

B12 Consulting

B12 Consulting was founded in 2012 by a group of PhDs in Physics sharing a passion for complex problem solving, headquartered in Louvain-la-Neuve, Belgium with an additional Brussels presence, and roughly 35 FTE. It is a services company expert in artificial intelligence, data science, and custom software development, with a technical, research-adjacent culture reflecting its founders' academic backgrounds. As a Belgian EU entity, it offers full EU data residency at a compact, deeply technical headcount.

onepoint

onepoint is a French IT services company founded in 2002 by David Layani, headquartered in a 4,000 sqm building in Paris's 16th arrondissement, with roughly 3,700 employees. It operates across application development, infrastructure support, and advisory services, applying that broad enterprise practice to agentic AI work as it emerges. As a French-headquartered entity, it offers EU procurement teams a domestic legal entity at a mid-size scale between the largest global SIs and the smaller boutiques on this list.

Services and capabilities: B12 Consulting vs onepoint

Capability B12 Consulting onepoint
Multi-agent orchestration
RAG / knowledge integration
Workflow & systems integration
Coding agents
Monitoring & anomaly detection
Customer-facing agents

Tech stack comparison: B12 Consulting vs onepoint

Framework / platform B12 Consulting onepoint
LangChain
LangGraph N/A N/A
AutoGen N/A N/A
LlamaIndex N/A N/A
OpenAI N/A N/A
Anthropic Claude N/A N/A
Pinecone N/A N/A
AWS
Azure N/A
Kubernetes N/A N/A

Pricing comparison: B12 Consulting vs onepoint

Criterion B12 Consulting onepoint
Minimum engagement Not published Not published
Engagement models Fixed project, Staff augmentation Fixed project, Dedicated team
Rate transparency Minimum disclosed Minimum disclosed
Price tier Mid-market Mid-market

Target audience comparison: B12 Consulting vs onepoint

Dimension B12 Consulting onepoint
Best company size Startup to mid-market Startup to mid-market
Best industries Manufacturing, Technology & SaaS Financial Services, Government & Public Sector, Manufacturing
Best use cases EU buyers wanting a small, technically rigorous Belgian consultancy for a well-scoped project, Complex data-science-adjacent agentic AI problems suited to a research-oriented team French and EU enterprises wanting agentic AI from a mid-size, founder-led IT services firm, Buyers wanting a scale between the largest global SIs and the smallest boutiques
Typical project type Fixed project Fixed project

B12 Consulting vs onepoint: pros and cons

B12 Consulting
+ Fully EU-domiciled (Belgium), simplifying GDPR compliance for European buyers
+ Founded by PhDs in Physics, giving it an unusually research-adjacent technical culture
+ Over a decade of continuous operating history since 2012
+ Brussels presence alongside Louvain-la-Neuve headquarters gives access to EU institutional buyers
- Very small team (~35 FTE) caps capacity for large or highly parallel programs
- Minimum engagement figures are not published, requiring direct sales contact for early budgeting
- Fewer named large-enterprise case studies than other boutiques on this list
onepoint
+ Fully EU-domiciled (France), simplifying GDPR compliance
+ Founder-led (David Layani) continuity since founding in 2002
+ 3,700+ employees gives a scale between boutique and global-SI capacity
+ Broad existing practice (application development, infrastructure, advisory) supports agentic work in context
- Agentic AI is a newer addition to a broad IT services portfolio, not the sole focus
- Minimum engagement figures are not published, requiring direct sales contact for early budgeting
- Fewer named agentic-specific case studies than AI-first specialist competitors

Who should choose B12 Consulting?

B12 Consulting is the right choice for eU buyers wanting a small, deeply technical Belgian consultancy founded by physics researchers..

Founded by PhDs in Physics, giving it a research-adjacent, deeply technical culture uncommon among the boutiques on this list.. Minimum engagement starts at Not published. Works best with clients in Manufacturing, Technology & SaaS.

Who should choose onepoint?

onepoint is the right choice for french and EU enterprises wanting agentic AI from a mid-size, founder-led French IT services firm..

A founder-led (David Layani), French-headquartered mid-size IT services firm, sized between the large global SIs and boutique specialists.. Minimum engagement starts at Not published. Works best with clients in Financial Services, Government & Public Sector, Manufacturing, Technology & SaaS.

Decision matrix: B12 Consulting vs onepoint

Your situation Recommended choice
You need full-ownership delivery on a defined project scope B12 Consulting
You need a large dedicated team for an ongoing programme onepoint
Your budget is at the lower end Compare: B12 Consulting (Not published) vs onepoint (Not published)
You need specialist depth in a specific vertical onepoint
You need staff augmentation or team extension Neither; consider alternatives that offer staff aug
You need consulting before committing to a build Both may offer discovery engagements

Use case fit: B12 Consulting vs onepoint

Use case B12 Consulting fit onepoint fit Winner
EU buyers wanting a small, technically rigorous Belgian consultancy for a well-scoped project Strong Strong Both equally
Complex data-science-adjacent agentic AI problems suited to a research-oriented team Strong Limited B12 Consulting
French and EU enterprises wanting agentic AI from a mid-size, founder-led IT services firm Limited Strong onepoint
Buyers wanting a scale between the largest global SIs and the smallest boutiques Strong Strong Both equally
Fixed-price build Limited Limited Both equally
Staff augmentation Limited Limited Both equally

Verdict: B12 Consulting vs onepoint

onepoint (3.7/5) is the stronger overall choice for most AI Agent Development projects. A founder-led (David Layani), French-headquartered mid-size IT services firm, sized between the large global SIs and boutique specialists.. It is best for french and EU enterprises wanting agentic AI from a mid-size, founder-led French IT services firm..

B12 Consulting (3.6/5) is the better choice when eU buyers wanting a small, deeply technical Belgian consultancy founded by physics researchers.. If your situation matches those criteria, B12 Consulting is a competitive option.

Related comparisons

B12 Consulting vs onepoint FAQ

Is B12 Consulting better than onepoint?

onepoint (3.7/5) scores higher overall, but "better" depends on your use case. B12 Consulting is better for eU buyers wanting a small, deeply technical Belgian consultancy founded by physics researchers.. onepoint is better for french and EU enterprises wanting agentic AI from a mid-size, founder-led French IT services firm..

How do B12 Consulting and onepoint differ in pricing?

B12 Consulting uses fixed project, staff augmentation pricing with a minimum engagement of Not published. onepoint uses fixed project, dedicated team pricing with a minimum engagement of Not published. Neither firm publishes a full rate card; a discovery call is required for project-specific quotes.

Which is better for enterprise: B12 Consulting or onepoint?

onepoint is the larger team and typically the better enterprise-scale choice. For very large programmes, verify team size and compliance coverage directly with each company before shortlisting.

What are the main differences between B12 Consulting and onepoint?

B12 Consulting's primary differentiator is: founded by phds in physics, giving it a research-adjacent, deeply technical culture uncommon among the boutiques on this list.. onepoint's primary differentiator is: a founder-led (david layani), french-headquartered mid-size it services firm, sized between the large global sis and boutique specialists.. They also differ in team size (11–50 vs 3,700+), minimum engagement (Not published vs Not published), and primary industries served (Manufacturing, Technology & SaaS vs Financial Services, Government & Public Sector).

Last reviewed: August 2026. Verify all details directly with each company before making a decision.